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I am woking on making solar panel mounts for the roof rack of my nissan xterra from TPU, since it can take a beating. Does any one have any experience with 3d-printed TPU threads? And how much stress before it can take before a bolt rips out? Also should i use teflon thread seal so the a bolt won't come loose?

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[-] dmtalon@infosec.pub 5 points 7 months ago* (last edited 7 months ago)

The pteg failed (sheered off near the "head" of the bolt/stud. The flat washer like heads were all still attached.

I had to replace the panel, and just went with SS screws right into the fiberglass. I also tape the leading edge during transport.

I'm guessing air got up under the front lip and just poof off it came. In my case these were fairly small which I'm sure didn't help my case.

[-] IMALlama@lemmy.world 1 points 7 months ago

Thanks for the follow up, as well as the photo!

this post was submitted on 25 Mar 2024
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